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Zapier makes it easy to integrate Klaviyo with Mailchimp - no code necessary. See how you can get setup in minutes.
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Help
Klaviyo
Klaviyo
1. Choose trigger event
Mailchimp
Mailchimp
2. Choose action
1. Select the event
Setup
Test
Klaviyo
Choose a trigger event
Choose a trigger
A trigger is the event that starts your Zap—like a "New Event" from Klaviyo.
Add your action
An action happens after the trigger—such as "Archive Subscriber" in Mailchimp.
You’re connected!
Zapier seamlessly connects Klaviyo and Mailchimp, automating your workflow.
Supported triggers and actions
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
Create a new record or update an existing record in your app.
Campaign
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Audience
Required
Email Address
Required
Custom Event Name
Required
Properties
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Audience
Required
Subscriber Email
Required
New Email
Status
Required
Double Opt-In
Update Existing
Replace Groups
Groups
Language Code
Tag(s)
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Audience
Required
Email Address
Required
Delete Contact
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Campaign
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Audience
Required
Tag
Required
Email Address
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Name
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Audience
Required
Tag name
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Name
Required
Campaign Name
Audience
Required
Segment
Tags
Email Subject
Required
Preview_text
From_name
Required
From Email Address
Required
To_name
Content Type
Action
This is an event a Zap performs.
Search or write
Find existing data in your app, or create a new record if no data is found
Search
Required
Audience
Audience
Required
Subscriber Email
Required
New Email
Status
Required
Double Opt-In
Update Existing
Replace Groups
Groups
Language Code
Tag(s)
Action
This is an event a Zap performs.
Search or write
Find existing data in your app, or create a new record if no data is found
For AI agents & developers
Use Klaviyo and Mailchimp with AI agents and code
Beyond Zap workflows. Call Klaviyo and Mailchimp actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.
No code
Connect via Zapier MCP
Expose Klaviyo and Mailchimp actions as tools in any MCP client. Authenticate once, then call them in natural language.
Example actions on this page
Add Profile to List
Archive Subscriber
Works with
Claude · ChatGPT · Cursor · any MCP-compatible client
There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.
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Customers who say using Zapier has made them better at their job
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Customers have created over 25 million Zaps on the platform
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The average user takes less than 6 minutes to set up a Zap
Connect Klaviyo and Mailchimp to integrate crucial parts of your business
With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.
Automate your lead management and improve conversions
With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.
Create more impactful campaigns with automation
Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.
Provide world-class support with a little help from automation
Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.
Automate your way to actionable, up-to-date data
The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.
Resolve incidents faster with automation
Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.
Learn how to automate Klaviyo on the Zapier blog
Learn how to automate Mailchimp on the Zapier blog
Make work flow with AI
Level up your Klaviyo to Mailchimp integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.
Frequently Asked Questions about Klaviyo + Mailchimp integrations
New to automation with Zapier? You're not alone. Here are some answers to common questions about how Zapier works with Klaviyo and Mailchimp
What are the key differences between integrating Klaviyo with Mailchimp and other integrations?
When integrating Klaviyo with Mailchimp using our platform, you can set up specific triggers and actions that allow for seamless data flow between the two platforms, such as adding a new subscriber to a list in Mailchimp when a new event occurs in Klaviyo. This integration is unique because it allows for customized automation tailored to your marketing workflow.
Can I sync email lists between Klaviyo and Mailchimp?
Yes, you can sync email lists between Klaviyo and Mailchimp. Our integration lets you create triggers and actions so that any new subscribers or updates in your email list on one platform automatically reflect on the other.
How do triggers work when integrating Klaviyo with Mailchimp?
Triggers in our integration serve as the starting point for any automated workflow. For instance, if someone signs up on your website through a Klaviyo form, this can trigger an action that adds them to a designated Mailchimp audience.
Is it possible to automate campaign management using this integration?
Absolutely! With our integration, you can automate campaign management tasks such as sending welcome emails from Mailchimp when a contact is added to a specific list in Klaviyo. By setting up triggers and actions, manual interventions are minimized.
What kind of data can be shared between Klaviyo and Mailchimp with this integration?
The integration allows for sharing various types of data, including subscriber information, email open rates, click metrics, and behavioral data collected via Klaviyo campaigns. This ensures both platforms remain updated with relevant customer insights.
Are there any limitations I should be aware of when using this integration?
While our platform facilitates extensive data syncing capabilities between Klaviyo and Mailchimp, some field limitations may exist depending on API constraints from each service provider. It’s essential to review these details during setup.
How secure is the data transfer between these platforms when integrated?
Security is paramount in our integrations. We ensure that all data transferred between Klaviyo and Mailchimp adheres to strict encryption standards, ensuring that your customer information remains protected at all times during the exchange process.
About Klaviyo
Klaviyo is an email marketing platform. Powered by data, built for ecommerce and web businesses.
